Cured-in-place pipe saves historic houseProblemA leaking cast-iron roof drain on historic Cannon House in Washington, D.C., caused water damage to office ceilings and walls. Removing the copper roof, plaster, and brick to replace it would disrupt Congressional business. The Architect of the Capital, stewards of the nation’s landmark buildings, needed an alternate rehabilitation method.SolutionThe Architect of the Capital selected Enviro-Flow Service Co., in Zanesville, Ohio, to televise and repair the drains using cured-in-place pipe from Flow-Liner Systems. Technicians using a RIDGID SeeSnake camera found leaking fittings in the drains running above the ceilings and down through a brick wall.They impregnated
